90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <stdlib.h>
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void bail();
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FILE* src = NULL;
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int dest = -1;
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char* line = NULL;
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size_t len = 0;
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int main(int argc, char *argv[]){
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if (argc != 3){
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fprintf(stderr,"USAGE:\n %s source-file target-file\n", argv[0]);
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return -1;
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}
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// Open Source Configuration File
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src = fopen(argv[1], "r");
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if(src == NULL){
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perror("Failed to open file");
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bail();
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return -1;
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}
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// Open Destination File
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dest = open(argv[2], O_WRONLY);
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if(dest == -1){
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perror("Failed to open file");
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bail();
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return -1;
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}
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uint64_t data, addsub_mode, add_input_mode, delay, factor1, factor2, timestamp;
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/*File Parsing Loop*/
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while(getline(&line, &len, src) != -1){
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//Check if Comment Line
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if(line[0] == '#'){
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continue;
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}
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if(sscanf(line, "%u %u %u %u %u %u", &addsub_mode, &add_input_mode, &delay, &factor1, &factor2, ×tamp) < 5){
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perror("Parsing of configuration file failed");
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fprintf(stderr, "Failing line: %s", line);
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bail();
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return -1;
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}
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data = 0x0;
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data |= ((uint64_t)0x1 << 63) | ((addsub_mode & 0x1) << 62) | ((add_input_mode & 0x1) << 61) | ((delay & 0xFF) << 42) |
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((factor1 & 0x1F) << 37) | ((factor2 & 0x1F) << 32) | (timestamp & 0xFFFFFFFF);
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if(write(dest, &data, sizeof(uint64_t)) != sizeof(uint64_t)){
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perror("Failed to write data");
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bail();
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return -1;
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}
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}
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//Write A non enabled slot
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data = 0x0;
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if(write(dest, &data, sizeof(uint64_t)) != sizeof(uint64_t)){
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perror("Failed to write data");
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bail();
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return -1;
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}
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//Exit safely
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bail();
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return 0;
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}
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void bail(){
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if(src != NULL){
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(void)fclose(src);
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}
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if(dest != -1){
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(void)close(dest);
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}
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if(line != NULL){
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free(line);
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}
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}
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